Messenger has become one of Facebook's (NASDAQ: FB) three billion-user services, with over 1.3 billion monthly active users (MAUs) at last count. Instagram will inevitably become the fourth; it hit ...

While messaging platforms including Meebo had attempted to bring messaging to the Web, Facebook officially released its desktop messenger for Windows yesterday. The messaging platform was initially ...

The only official Signal chat appears with a blue verification checkmark and warns against imitators. Some iOS users were ...